"The archive of the Ulster Unionist Council, held by the Public
Record Office of Northern Ireland (PRONI), contains just under half a million
original signatures and addresses of the men who, on 28 September 1912, signed
the Ulster Covenant, and of the women who signed the parallel Declaration. In
total, the Covenant was signed by 237,368 men, and the Declaration by 234,046
women."[From Introduction to the
Ulster Covenant, PRONI]